The World's Number One Assassin: The Legitimate Young Lady

She is the eldest legitimate daughter of the Ye family, and he is a powerful figure from a mysterious world. Ever since he set his sights on her, the woman has been deeply aggrieved. “You know, before I met you, my world was black and white!” The man gazed at her with deep affection and eager anticipation. “...” The woman continued, “After I met you, wow... everything went completely black!”